/Engine/Source/Runtime/Engine/Public/ViewportClient.h
Deprecated* Use the newInputKey(const FInputKeyEventArgs& EventArgs)function.
virtual bool InputKey ( [FViewport](API\Runtime\Engine\FViewport) * Viewport, int32 ControllerId, [FKey](API\Runtime\InputCore\FKey) Key, EInputEvent Event, float AmountDepressed, bool bGamepad )